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lutik1710 [3]
3 years ago
12

Victoria has 12 photo albums to make gifts for her family. Each photo album will need $0.30 of buttins and $1 of ribbon. She est

imates she will spend $15. Did she overestimate or underestimate?
Mathematics
1 answer:
inna [77]3 years ago
6 0
She underestimated by 60 cents. To get this answer all you need to do is multiply 1 dollar times 12 which is $12 and then multiply $.30 by 12 and that gives you $3.60. Then you add the $12 to the $3.60 and that gives you $15.60 which is 60 cents over the estimation.
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Answer:

this the answer to the question I understand

{ (- 3)}^{4} \\  - 3 \times  - 3 \times  - 3 \times  - 3 \\ 9 \times 9 \\ 81

3 0
3 years ago
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iTunes and Amazon each have plans for downloading music. iTunes charges $5.00 to join and $0.75 per song. Amazon has no fee to j
aleksandrvk [35]

Answer:

20 songs.

Step-by-step explanation:

we are given that,  iTunes charges $5.00 to join and $0.75 per song.

Amazon has no fee to join and charges $1.00 per song.

Let x songs would you have to download (same number of downloads for each company) so that the prices are the same.

Then we can write

5+0.75x=1x\\\text{take like terms together by adding -0.75x on both the sides}\\5+0.75x-0.75x=1x-0.75x\\5=0.25x\\\text{Divide both the sides by 0.25}\\x=20

7 0
3 years ago
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Answer:

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Solve:<br>.<br>.<br>.<br><br>PLS DON SPAM
MrRissso [65]
4
)
10(x+6)+8(x−3)=5(5x−4)

2 Expand.
10
x
+
60
+
8
x
−
24
=
25
x
−
20
10x+60+8x−24=25x−20

3 Simplify
10
x
+
60
+
8
x
−
24
10x+60+8x−24 to
18
x
+
36
18x+36.
18
x
+
36
=
25
x
−
20
18x+36=25x−20

4 Subtract
18
x
18x from both sides.
36
=
25
x
−
20
−
18
x
36=25x−20−18x

5 Simplify
25
x
−
20
−
18
x
25x−20−18x to
7
x
−
20
7x−20.
36
=
7
x
−
20
36=7x−20

6 Add
20
20 to both sides.
36
+
20
=
7
x
36+20=7x

7 Simplify
36
+
20
36+20 to
56
56.
56
=
7
x
56=7x

8 Divide both sides by
7
7.
56
7
=
x
7
56
​
=x

9 Simplify
56
7
7
56
​
to
8
8.
8
=
x
8=x

10 Switch sides.
x
=
8
x=8


Your answer is

X=8
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2 years ago
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